Change nalgebra types in public API to arrays

src/generated.rs

@@ -292,8 +292,8 @@ pub unsafe fn genTangSpace<I: Geometry>(
                 let mut tang = Vector3::new((*pTSpace).vOs.x, (*pTSpace).vOs.y, (*pTSpace).vOs.z);
                 let mut bitang = Vector3::new((*pTSpace).vOt.x, (*pTSpace).vOt.y, (*pTSpace).vOt.z);
                 geometry.set_tangent(
-                    tang,
-                    bitang,
+                    tang.into(),
+                    bitang.into(),
                     (*pTSpace).fMagS,
                     (*pTSpace).fMagT,
                     (*pTSpace).bOrient,

src/lib.rs

@@ -1,6 +1,6 @@
 mod generated;
 
-use nalgebra::{Point2, Point3, Vector3, Vector4};
+use nalgebra::{Vector2, Vector3};
 
 /// The interface by which mikktspace interacts with your geometry.
 pub trait Geometry {
@@ -11,19 +11,19 @@ pub trait Geometry {
     fn num_vertices_of_face(&self, face: usize) -> usize;
 
     /// Returns the position of a vertex.
-    fn position(&self, face: usize, vert: usize) -> Point3<f32>;
+    fn position(&self, face: usize, vert: usize) -> [f32; 3];
 
     /// Returns the normal of a vertex.
-    fn normal(&self, face: usize, vert: usize) -> Vector3<f32>;
+    fn normal(&self, face: usize, vert: usize) -> [f32; 3];
 
     /// Returns the texture coordinate of a vertex.
-    fn tex_coord(&self, face: usize, vert: usize) -> Point2<f32>;
+    fn tex_coord(&self, face: usize, vert: usize) -> [f32; 2];
 
     /// Sets a vertex' generated tangent.
     fn set_tangent(
         &mut self,
-        tangent: Vector3<f32>,
-        _bi_tangent: Vector3<f32>,
+        tangent: [f32; 3],
+        _bi_tangent: [f32; 3],
         _f_mag_s: f32,
         _f_mag_t: f32,
         bi_tangent_preserves_orientation: bool,
@@ -35,13 +35,13 @@ pub trait Geometry {
         } else {
             -1.0
         };
-        self.set_tangent_encoded(tangent.insert_row(3, sign), face, vert);
+        self.set_tangent_encoded([tangent[0], tangent[1], tangent[2], sign], face, vert);
     }
 
     /// Sets a vertex' generated tangent with the bi-tangent encoded as the W component in the
     /// tangent. The W component marks if the bi-tangent is flipped. This will only be called if
     /// `set_tangent` is not implemented.
-    fn set_tangent_encoded(&mut self, _tangent: Vector4<f32>, _face: usize, _vert: usize) {}
+    fn set_tangent_encoded(&mut self, _tangent: [f32; 4], _face: usize, _vert: usize) {}
 }
 
 /// Default (recommended) Angular Threshold is 180 degrees, which means threshold disabled.
@@ -51,17 +51,18 @@ pub fn generate_tangents_default<I: Geometry>(geometry: &mut I) -> bool {
 
 fn get_position<I: Geometry>(geometry: &mut I, index: usize) -> Vector3<f32> {
     let (face, vert) = index_to_face_vert(index);
-    geometry.position(face, vert).coords
+    geometry.position(face, vert).into()
 }
 
 fn get_tex_coord<I: Geometry>(geometry: &mut I, index: usize) -> Vector3<f32> {
     let (face, vert) = index_to_face_vert(index);
-    geometry.tex_coord(face, vert).coords.insert_row(2, 1.0)
+    let tex_coord: Vector2<f32> = geometry.tex_coord(face, vert).into();
+    tex_coord.insert_row(2, 1.0)
 }
 
 fn get_normal<I: Geometry>(geometry: &mut I, index: usize) -> Vector3<f32> {
     let (face, vert) = index_to_face_vert(index);
-    geometry.normal(face, vert)
+    geometry.normal(face, vert).into()
 }
 
 fn index_to_face_vert(index: usize) -> (usize, usize) {